6 Electrical installation
Installation manual
22
ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH
₂
O
4P679468-1A – 2022.07
A
B
B
1 2
X 2M
1
N/- L/+
Alarm output
Max. load
0,3 A - 230 V AC
1 A - 5 V DC
1
2
A
3
Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
16].
6.3.9
To connect the space cooling/heating ON/
OFF output
INFORMATION
Cooling is only applicable in case of reversible models.
Wires: (2)×0.75 mm²
Maximum load: 0.3 A, 230 V AC
Maximum load: 1 A, 5 V DC
—
1
Open the following (see
"4.2.1 To open the indoor unit"
7]):
1
User interface panel
1
3
4
2
2
Switch box
3
Switch box cover
4
Top cover
2
Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
A
B
B
5 6
X 2M
1
N/- L/+
Space C/H
On/OFF output
Max. load
0,3 A - 230 V AC
1 A - 5 V DC
5
6
A
3
Fix the cable with cable ties to the cable tie mountings. General
information, see
"6.3.1 To connect the electrical wiring to the
6.3.10
To connect the changeover to external
heat source
INFORMATION
Bivalent is only possible in case of 1 leaving water
temperature zone with:
▪ room thermostat control, OR
▪ external room thermostat control.
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 230 V AC
Maximum load: 1 A, 5 V DC
[9.C]
Bivalent
1
Open the following (see
"4.2.1 To open the indoor unit"
7]):
1
User interface panel
1
3
4
2
2
Switch box
3
Switch box cover
4
Top cover
2
Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.